Top Guard Truncated Domes for FDOT T5565 in Melbourne (Brevard County) May 30, 2017 Posted by on May 30, 2017February 13, 2018 Top Guard yellow truncated domes installed +/-1200 sq.ft. along US1 in Melbourne (Brevard County) from Aurora Rd to Post Rd. FDOT contract T5565. Preferred Materials was prime, Florida Safety Contractors was sub.